Merge pull request #128 from codl/stream-timeout

add timeouts to streams
This commit is contained in:
Lorenz Diener 2018-05-06 15:58:37 +02:00 cometido por GitHub
commit 1a62b6a5a6
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ID de clave GPG: 4AEE18F83AFDEB23
S'han modificat 2 arxius amb 27 adicions i 15 eliminacions

Veure arxiu

@ -89,6 +89,7 @@ class Mastodon:
"""
__DEFAULT_BASE_URL = 'https://mastodon.social'
__DEFAULT_TIMEOUT = 300
__DEFAULT_STREAM_TIMEOUT = 300
__DEFAULT_STREAM_RECONNECT_WAIT_SEC = 5
__SUPPORTED_MASTODON_VERSION = "2.3.0"
@ -1430,45 +1431,45 @@ class Mastodon:
# Streaming
###
@api_version("1.1.0", "1.4.2")
def stream_user(self, listener, run_async=False, reconnect_async=False, reconnect_async_wait_sec=__DEFAULT_STREAM_RECONNECT_WAIT_SEC):
def stream_user(self, listener, run_async=False, timeout=__DEFAULT_STREAM_TIMEOUT, reconnect_async=False, reconnect_async_wait_sec=__DEFAULT_STREAM_RECONNECT_WAIT_SEC):
"""
Streams events that are relevant to the authorized user, i.e. home
timeline and notifications.
"""
return self.__stream('/api/v1/streaming/user', listener, run_async=run_async, reconnect_async=reconnect_async, reconnect_async_wait_sec=reconnect_async_wait_sec)
return self.__stream('/api/v1/streaming/user', listener, run_async=run_async, timeout=timeout, reconnect_async=reconnect_async, reconnect_async_wait_sec=reconnect_async_wait_sec)
@api_version("1.1.0", "1.4.2")
def stream_public(self, listener, run_async=False, reconnect_async=False, reconnect_async_wait_sec=__DEFAULT_STREAM_RECONNECT_WAIT_SEC):
def stream_public(self, listener, run_async=False, timeout=__DEFAULT_STREAM_TIMEOUT, reconnect_async=False, reconnect_async_wait_sec=__DEFAULT_STREAM_RECONNECT_WAIT_SEC):
"""
Streams public events.
"""
return self.__stream('/api/v1/streaming/public', listener, run_async=run_async, reconnect_async=reconnect_async, reconnect_async_wait_sec=reconnect_async_wait_sec)
return self.__stream('/api/v1/streaming/public', listener, run_async=run_async, timeout=timeout, reconnect_async=reconnect_async, reconnect_async_wait_sec=reconnect_async_wait_sec)
@api_version("1.1.0", "1.4.2")
def stream_local(self, listener, run_async=False, reconnect_async=False, reconnect_async_wait_sec=__DEFAULT_STREAM_RECONNECT_WAIT_SEC):
def stream_local(self, listener, run_async=False, timeout=__DEFAULT_STREAM_TIMEOUT, reconnect_async=False, reconnect_async_wait_sec=__DEFAULT_STREAM_RECONNECT_WAIT_SEC):
"""
Streams local public events.
"""
return self.__stream('/api/v1/streaming/public/local', listener, run_async=run_async, reconnect_async=reconnect_async, reconnect_async_wait_sec=reconnect_async_wait_sec)
return self.__stream('/api/v1/streaming/public/local', listener, run_async=run_async, timeout=timeout, reconnect_async=reconnect_async, reconnect_async_wait_sec=reconnect_async_wait_sec)
@api_version("1.1.0", "1.4.2")
def stream_hashtag(self, tag, listener, run_async=False, reconnect_async=False, reconnect_async_wait_sec=__DEFAULT_STREAM_RECONNECT_WAIT_SEC):
def stream_hashtag(self, tag, listener, run_async=False, timeout=__DEFAULT_STREAM_TIMEOUT, reconnect_async=False, reconnect_async_wait_sec=__DEFAULT_STREAM_RECONNECT_WAIT_SEC):
"""
Stream for all public statuses for the hashtag 'tag' seen by the connected
instance.
"""
if tag.startswith("#"):
raise MastodonIllegalArgumentError("Tag parameter should omit leading #")
return self.__stream("/api/v1/streaming/hashtag?tag={}".format(tag), listener, run_async=run_async, reconnect_async=reconnect_async, reconnect_async_wait_sec=reconnect_async_wait_sec)
return self.__stream("/api/v1/streaming/hashtag?tag={}".format(tag), listener, run_async=run_async, timeout=timeout, reconnect_async=reconnect_async, reconnect_async_wait_sec=reconnect_async_wait_sec)
@api_version("2.1.0", "2.1.0")
def stream_list(self, id, listener, run_async=False, reconnect_async=False, reconnect_async_wait_sec=__DEFAULT_STREAM_RECONNECT_WAIT_SEC):
def stream_list(self, id, listener, run_async=False, timeout=__DEFAULT_STREAM_TIMEOUT, reconnect_async=False, reconnect_async_wait_sec=__DEFAULT_STREAM_RECONNECT_WAIT_SEC):
"""
Stream events for the current user, restricted to accounts on the given
list.
"""
id = self.__unpack_id(id)
return self.__stream("/api/v1/streaming/list?list={}".format(id), listener, run_async=run_async, reconnect_async=reconnect_async, reconnect_async_wait_sec=reconnect_async_wait_sec)
return self.__stream("/api/v1/streaming/list?list={}".format(id), listener, run_async=run_async, timeout=timeout, reconnect_async=reconnect_async, reconnect_async_wait_sec=reconnect_async_wait_sec)
###
# Internal helpers, dragons probably
@ -1710,7 +1711,7 @@ class Mastodon:
return response
def __stream(self, endpoint, listener, params={}, run_async=False, reconnect_async=False, reconnect_async_wait_sec=5):
def __stream(self, endpoint, listener, params={}, run_async=False, timeout=__DEFAULT_STREAM_TIMEOUT, reconnect_async=False, reconnect_async_wait_sec=__DEFAULT_STREAM_RECONNECT_WAIT_SEC):
"""
Internal streaming API helper.
@ -1742,7 +1743,9 @@ class Mastodon:
# Connect function (called and then potentially passed to async handler)
def connect_func():
headers = {"Authorization": "Bearer " + self.access_token}
connection = self.session.get(url + endpoint, headers = headers, data = params, stream = True)
connection = self.session.get(url + endpoint, headers = headers, data = params, stream = True,
timeout=(self.request_timeout, timeout))
if connection.status_code != 200:
raise MastodonNetworkError("Could not connect to streaming server: %s" % connection.reason)
return connection
@ -1912,6 +1915,10 @@ class MastodonNetworkError(MastodonIOError):
"""Raised when network communication with the server fails"""
pass
class MastodonReadTimeout(MastodonNetworkError):
"""Raised when a stream times out"""
pass
class MastodonAPIError(MastodonError):
"""Raised when the mastodon API generates a response that cannot be handled"""

Veure arxiu

@ -6,8 +6,8 @@ https://github.com/tootsuite/mastodon/blob/master/docs/Using-the-API/Streaming-A
import json
import six
from mastodon import Mastodon
from mastodon.Mastodon import MastodonMalformedEventError, MastodonNetworkError
from requests.exceptions import ChunkedEncodingError
from mastodon.Mastodon import MastodonMalformedEventError, MastodonNetworkError, MastodonReadTimeout
from requests.exceptions import ChunkedEncodingError, ReadTimeout
class StreamListener(object):
"""Callbacks for the streaming API. Create a subclass, override the on_xxx
@ -68,7 +68,12 @@ class StreamListener(object):
MastodonNetworkError("Server ceased communication."),
err
)
except MastodonReadTimeout as err:
six.raise_from(
MastodonReadTimeout("Timed out while reading from server."),
err
)
def _parse_line(self, line, event):
if line.startswith(':'):
self.handle_heartbeat()